BMW 3: Operating materials
BMW 3 Series G20 (2018-2025) Owners Manual / Operating materials
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Fuel recommendation
General information
Depending on the region, many gas stations sell
fuel that has been customized to winter or
summer conditions. Fuel that is available in winter,
for instance helps make a cold start
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurem
Coolant
General information
Coolant consists of water and additives.
Not all commercially available additives are suitable
for the vehicle. Information about suitable additives
is available from a dealer's s
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Safe working practices for working on a high-voltage system
The following description of the repair of the high-voltage components is
only a general list of the
content and the procedure. In general, only the specifications and instructions
in the current
valid edition of the repair instructions apply.
Before working on high-voltage components of the G20&
Start-up system
Starter motor
The combustion engine B46 can be started via the conventional starter motor
and the electrical
machine.
The following table shows when and under which conditions the respective start
option is used:
Auxiliary battery
G20 PHEV, auxiliary battery
Safety battery terminal 2 (SB
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